Vulnerability Monitor

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CVE-2026-20452


In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.0, indicating it requires adjacent network access with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 18 products from mediatek, from mediatek, from mediatek and 15 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-06-01T04:16:21.753

Last Modified

2026-07-22T07:10:00.107

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.0 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-122

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System mediatek mt6890_firmware - Yes
Hardware mediatek mt6890 - No
Operating System mediatek mt7615_firmware - Yes
Hardware mediatek mt7615 - No
Operating System mediatek mt7915_firmware - Yes
Hardware mediatek mt7915 - No
Operating System mediatek mt7916_firmware - Yes
Hardware mediatek mt7916 - No
Operating System mediatek mt7981_firmware - Yes
Hardware mediatek mt7981 - No
Operating System mediatek mt7986_firmware - Yes
Hardware mediatek mt7986 - No
Operating System mediatek mt7990_firmware - Yes
Hardware mediatek mt7990 - No
Operating System mediatek mt7992_firmware - Yes
Hardware mediatek mt7992 - No
Operating System mediatek mt7993_firmware - Yes
Hardware mediatek mt7993 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mediatek's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.